Quote:
Originally Posted by drbobwoolery
What's wrong with the PNP level shifter in post 24?
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Worked on the bench, and not in the car.
Quote:
Originally Posted by dennyt
...Any recent developments, or should I dive in with this op amp circuit?
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If it is peak and hold, try the opto isolator circuit.
http://ecomodder.com/forum/showthrea...tml#post106855
how many ohms is the injector when unplugged? If it is low (< 7 ohms?) it is likely peak and hold.